Hello,

I am trying to train my .tif image with approximately 1500 pixels. I have 4 
classes and one of them has the lowest training with 115 pixels. If I chose 
training and validation sample ratio 0.5, and  using SVM OpenCV RBF with 
parameter optimization I get 232 training and 184 validation at log file. I 
am not very familiar with OTB and want to ask does not it use approximately 
half of all training pixels? 

Thanks

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